1. Another detail of the locking arrangement.
  2. This tee-nut is what featherboard is attached to. A shallow groove hold it neatly in place. The spurs were fixed into pilot holes, as I didn't want the runner to split (it's a piece of very dry jarrah).
  3. The nut is a poofteenth less than the width of my mitre slot.
  4. Detail of the wingnut glued into the underside of the main knob.
  5. I'm yet to become well practised with a router, so an easy way to cut the slot was to cut the end off, cut the slot on the tablesaw, and then dowel the sawn end back on.